The hardware is prone to the same failures, but the customers rarely experience them, because they handle it for you. EBS means never worrying about disks. S3 means never worrying about objects. EC2 ASG means never worrying about failed machines/VMs. Multi-AZ means never worrying about an entire datacenter going down.
Yes, you pay someone else to worry about it. That's kinda the whole idea.
Yes, you pay someone else to worry about it. That's kinda the whole idea.